Dabber clamp for processing disc type gear

A technology of gears and mandrels, which is applied in the direction of manufacturing tools, metal processing equipment, gear teeth manufacturing devices, etc., can solve the problems of poor size adaptability, fluctuation of gear inner hole size and difficulty in ensuring product quality, etc., to eliminate processing errors and realize universal Sexuality and the effect of reducing production costs

Inactive Publication Date: 2007-04-11
GUIZHOU QUNJIAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a mandrel fixture for processing disc gears to overcome the poor size adaptability of the fixture in the prior art, and it is difficult to ensure product quality when the size of the inner hole of the gear fluctuates greatly lack of

Method used

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  • Dabber clamp for processing disc type gear
  • Dabber clamp for processing disc type gear
  • Dabber clamp for processing disc type gear

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Embodiment Construction

[0019] Embodiments of the present invention: the present invention is mainly composed of rigid mandrel 1, tapered needle roller 7, compression spring 6, needle roller cage 5, clamping nut 4 and other parts. Both the rigid mandrel 1 and the tapered needle roller 7 are manufactured with taper, the taper of the tapered needle roller is equal to 1 / 2 of the taper of the rigid mandrel, the number of tapered needle rollers is determined by the size of the inner hole of the processed gear part, generally 3 pieces Or more. The needle roller cage 4 has straight grooves on the circumference, the number of straight grooves is the same as that of the tapered needle rollers, and the axial direction of the tapered needle rollers in the grooves is matched with the straight grooves with a small gap. Assemble according to Figure 2, that is, the compression spring 6 and the needle roller cage 5 are respectively set on the rigid mandrel 1, the tapered needle roller 7 is placed in the groove of th...

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Abstract

The spindle clamp for machining disc type gear includes rigid spindle, clamping nut, needle roller holder, compression spring and conic needle roller. Between the rigid spindle and the workpiece, are the conic needle rollers taper contacting the rigid spindle and inside the needle roller holder; the needle roller holder covers the rigid spindle and has outer end is contacted with the clamping nut connected to the rigid spindle; and the compression spring covers the rigid spindle and has two ends supporting the needle roller holder and the rigid spindle separately. The present invention is superior to available spindle clamp and has lowered production cost.

Description

Technical field: [0001] The invention relates to a mandrel clamp for processing disc gears. Background technique: [0002] Gears are an important basic part of mechanical transmission. In terms of shape, it can generally be divided into two major categories: shaft gears and disc gears. In order to meet the precision requirements of gears, various gear processing methods such as hobbing, shaving or grinding are generally used in production. As far as disc gears are concerned, no matter which gear processing method is used, a process mandrel fixture is required. [0003] At present, the mandrel fixture commonly used in production, as shown in Figure 1, is composed of three parts such as a rigid mandrel (1), a flat washer (3), and a clamping nut (4); when clamping, the workpiece (2 ) takes the outer circle of the rigid mandrel (1) as the positioning reference, and clamps the workpiece by tightening the clamping nut (4). When not pinching the workpiece. Its advantages are: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F23/02B23Q3/14
Inventor 况安勇
Owner GUIZHOU QUNJIAN PRECISION MACHINERY
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